﻿<UserControl x:Class="Demos.Demo0004"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    d:DesignHeight="300" d:DesignWidth="400">
    
    <Grid x:Name="LayoutRoot" Background="White">
        <StackPanel>
            <TextBox Width="200" x:Name="txtColor"/>
            <Button Content="设置" Click="OnClick"/>
        </StackPanel>
        
        <Border Width="100" Height="100" Background="Green" x:Name="border"/>
    </Grid>
</UserControl>
